- a hormone that stimulates the secretion of gastric juice.
Origin of gastrin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a polypeptide hormone secreted by the stomach: stimulates secretion of gastric juice
- Any of the hormones secreted in the pyloric-antral mucosa of the stomach and that stimulate secretion of the parietal cells.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.